<?php

/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identity the user.
 */
class UserIdentity extends CUserIdentity
{
	/**
	 * Authenticates a user.
	 * The example implementation makes sure if the username and password
	 * are both 'demo'.
	 * In practical applications, this should be changed to authenticate
	 * against some persistent user identity storage (e.g. database).
	 * @return boolean whether authentication succeeds.
	 */
	public $user;
	private $_id;

	public function authenticate()
	{
		$users = User::model()->find('user_name=?',array($this->username));
		
		if(!empty($users)){
			
		}
		
		if(!isset($users->user_name))
			$this->errorCode=self::ERROR_USERNAME_INVALID;
		else if($users->password!==MD5($this->password))
			$this->errorCode=self::ERROR_PASSWORD_INVALID;
		else{
			$this->_id=$users->userID;
			$this->username=$users->user_name;
			$this->errorCode=self::ERROR_NONE;
			$this->setState('role', 'user');
      $this->setState('isAdmin', '1');
			$this->setIdentity($users);
			}
      
		return !$this->errorCode;
	}
	
	public function getId()
	{
		return $this->_id;
	}

	public function setIdentity($user)
	{
			/**** Store values in session starts ****/
			ApplicationSessions::run()->write('userID',$user->userID);	
			ApplicationSessions::run()->write('user_name',$user->user_name);	
			ApplicationSessions::run()->write('emailID',$user->emailID);
			ApplicationSessions::run()->write('user_type',$user->user_type);
			ApplicationSessions::run()->write('type','user');
			return true;
	}

}